formal grammar of tanru with left recursion

[lagleki]

Is your feature request related to a problem? Please describe. currently selbri3 = selbri4 selbri4 selbri4 ... which doesnt reflect the fact that in {cmalu nixli ckule} the {cmalu} unit modifies {nixli} unit

Describe the solution you'd like

Use a parallel grammar like

tanru = ziltau | tanru tertau